To cite package ‘controlfunctionIV’ in publications use:

Koo T, Li S, Guo Z (2022). controlfunctionIV: Control Function Methods with Possibly Invalid Instrumental Variables. R package version 0.1.0, https://github.com/zijguo/controlfunctioniv.

Corresponding BibTeX entry:

  @Manual{,
    title = {controlfunctionIV: Control Function Methods with Possibly
      Invalid Instrumental Variables},
    author = {Taehyeon Koo and Sai Li and Zijian Guo},
    year = {2022},
    note = {R package version 0.1.0},
    url = {https://github.com/zijguo/controlfunctioniv},
  }